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From "Jody Grassel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2233) Failed to invoke pcGetIDOwningClass method on embeddable entity with ID annotation
Date Wed, 19 Sep 2012 21:41:07 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459129#comment-13459129
] 

Jody Grassel commented on OPENJPA-2233:
---------------------------------------

Checking fix into SVN on Helen's behalf.  Thanks, Helen!
                
> Failed to invoke pcGetIDOwningClass method on embeddable entity with ID annotation
> ----------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2233
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2233
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: Enhance
>    Affects Versions: 2.0.1, 2.1.0, 2.2.0, 2.3.0
>            Reporter: Helen Xu
>            Assignee: Helen Xu
>         Attachments: OPENJPA-2233.patch
>
>
> It failed to invoke pcGetIDOwningClass method on an embeddable entity which has the ID
annotation. here is the exception:
> java.lang.NoSuchMethodError: com/xxx/xxx/entity/MyClass.pcGetIDOwningClass()Ljava/lang/Class;
> at com.xxx.xxx.entity.MyClass.pcNewObjectIdInstance(MyClass.java)
> at org.apache.openjpa.enhance.PCRegistry.newObjectId(PCRegistry.java:137)
> at org.apache.openjpa.meta.MetaDataRepository.processRegisteredClass(MetaDataRepository.java:1661)
> at org.apache.openjpa.meta.MetaDataRepository.processRegisteredClasses(MetaDataRepository.java:1615)
> at org.apache.openjpa.meta.ClassMetaData.getPCSubclasses(ClassMetaData.java:365)
> at org.apache.openjpa.jdbc.meta.MappingRepository.findBaseClassMapping(MappingRepository.java:1510)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:403)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:736)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:625)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:385)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:358)
> at org.apache.openjpa.meta.MetaDataRepository.resolveAll(MetaDataRepository.java:1923)
> at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaDataInternal(MetaDataRepository.java:1901)
> at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaData(MetaDataRepository.java:1888)
> at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1013)
> This is because it uses different condition to add and invoke pcNewObjectIdInstance method
in PCEnhancer.
> here is the section it adds pcNewObjectIdInstance in PCEnhancer.addPCMethods
>             if (_meta.hasAbstractPKField() == true) { 
>                 addGetIDOwningClass();
>             }
> here is the section it invokes pcNewObjectIdInstance in PCEnhancer.addNewObjectIdInstanceMethod
>           if(_meta.isEmbeddedOnly() || _meta.hasAbstractPKField() == true) {
>                 code.aload().setThis();
>                 code.invokevirtual().setMethod(PRE + "GetIDOwningClass",
>                     Class.class, null);
>             } else {
>                 code.classconstant().setClass(getType(_meta));
>             }

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